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Finding the Fourth Proportional to 409,058.87, 613,630.28 and 156,551.76

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Solution

The fourth proportional to 409,058.87, 613,630.28 and 156,551.76 is: 234,843.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,058.87 : 613,630.28 = 156,551.76 : x
  2. Step 2: Convert to fraction form
    409,058.87/613,630.28 = 156,551.76/x
  3. Step 3: Cross multiply
    409,058.87x = 613,630.28 × 156,551.76
  4. Step 4: Simplify right side
    409,058.87x = 96,064,902,248.75
  5. Step 5: Solve for x
    x = 96,064,902,248.75/409,058.87
  6. Step 6: Final answer
    x = 234,843.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.